Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)

7-9 March 1994

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Displaying Results 1 - 25 of 86
  • Role of standardization in future evolution of control design automation tools

    Publication Year: 1994
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (46 KB)

    Summary form only given. As in other design automation industries, standardization can significantly expand the utility of control system design automation tools. Standardization increases the number of users by making the tools easier to use and allowing users to mix and match the best tools from different vendors. It also allows the development of special purpose or niche tools further expanding... View full abstract»

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  • Proceedings of IEEE Symposium on Computer-Aided Control Systems Design (CACSD)

    Publication Year: 1994
    Request permission for commercial reuse | |PDF file iconPDF (33 KB)
    Freely Available from IEEE
  • Automatic design of digital controllers

    Publication Year: 1994, Page(s):409 - 414
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (300 KB)

    In this paper a procedure for the automatic design of digital SISO controllers is presented. The design is based solely on input-output data from the process, and the user does not necessarily have to make any design decisions. The first step of the design procedure is the identification of a process model and the estimation of its uncertainty. In the second step a controller is designed based on ... View full abstract»

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  • Computer aided compensator design using linear-quartic performance index

    Publication Year: 1994, Page(s):417 - 422
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (292 KB)

    This paper presents a computer aided compensator design method based on energy/power loop shaping paradigm. The compensator design problem is formulated as a “Linear-Quartic” optimal control problem. The first and second order necessary conditions for an optimal solution are derived and a CAD algorithm is presented. A numerical example is given to demonstrate the effectiveness of the d... View full abstract»

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  • LQ state-constrained control

    Publication Year: 1994, Page(s):423 - 428
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (228 KB)

    Can a discrete-time, linear system be controlled so that if the initial state x(0) is nonnegative the state x(k) will remain nonnegative for all future k, while at the same time a quadratic cost criterion is minimized? It is known that the nondiagonal elements of the transformed weighting matrices of a finite-horizon cost criterion can be chosen to give a closed-loop matrix which contains no negat... View full abstract»

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  • CAMeL-an open CACSD environment

    Publication Year: 1994, Page(s):553 - 560
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (580 KB)

    This paper introduces the design environment CAMeL (Computer-Aided Mechatronic Laboratory) which supports the whole design cycle of mechatronic systems. Modern CACSD tools have to be open and easily combinable with other existing tools designated to perform special design tasks. CAMeL is a process-based development framework for control systems. Beside an internal toolset for linear analysis, nonl... View full abstract»

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  • Applying on-line computer-aided control system design to the manufacturing industry enhances control performance

    Publication Year: 1994, Page(s):429 - 434
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (352 KB)

    Why are advanced signal filtering, system identification, optimal control and other technologies not common in the manufacturing industry? What is the vision for manufacturing in 2010 and why is on-line computer aided control system design essential? Inhibitors and supporters of the dynamics of change are identified. The author addresses these issues and shows the answer lies in the integration of... View full abstract»

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  • Computer-aided design of intelligent control systems for discrete event dynamic systems

    Publication Year: 1994, Page(s):55 - 60
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (396 KB)

    Presents a Petri nets-based approach to both modelling the discrete event dynamic systems (DEDS) to be controlled and the representation of knowledge about details or specifications concerning the control task. In order to synthesize intelligent control systems for the DEDS a procedure utilizing the Petri nets-based model of both the DEDS and the knowledge representation (both of them expressed in... View full abstract»

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  • Adjustable solutions of doubly coprime matrix fraction descriptions

    Publication Year: 1994, Page(s):489 - 495
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (348 KB)

    Using the concept of infinite eigenstructure assignment in generalized systems, explicit formulas for calculating the polynomial generalized Bezout identity is proposed. The degree of the polynomial matrix is directly related to the length of the longest infinite eigenvector chain of the associated generalized state-space representation. Hence the method of infinite eigenstructure assignment can b... View full abstract»

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  • Computer-aided development of mechatronic systems

    Publication Year: 1994, Page(s):561 - 567
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (548 KB)

    As a rule, modern technical systems consist of components from different disciplines (mechanics, electrical engineering, electro-magnetics, hydraulics, etc.). Typical examples are the so-called mechatronic systems. These are systems whose basic structure is usually a mechanical one with mostly higher transmission bandwidth and which are completed by actuators and sensors for a better statical and ... View full abstract»

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  • Computer-aided decoupling controller design

    Publication Year: 1994, Page(s):435 - 444
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (708 KB)

    An optimization-based decoupling controller design approach is proposed for linear time-invariant multivariable systems. The formulation of the optimization program is based on the description of all decoupling controllers and all achievable decoupled I/O maps. By considering only decoupling controllers, the design of MIMO feedback systems is simplified: the controller design for an n-input n-outp... View full abstract»

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  • An intelligent front end for the H controller design

    Publication Year: 1994, Page(s):61 - 66
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (348 KB)

    An intelligent front end for the H∞ control system design method is described. Systematic procedures for the H∞ controller design are presented, and they are applied to the control system design of a single flexible link. The authors' approach provides a coupling of the design knowledge and design algorithms for carrying out the controller design. Design knowledge... View full abstract»

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  • Towards a coordinated development of numerical CACSD software: the RASP/SLICOT compatibility concept

    Publication Year: 1994, Page(s):499 - 504
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (516 KB)

    The concept of mutual compatibility is introduced. It has arisen from the cooperation of the developers of the RASP and SLICOT libraries. With this concept it becomes feasible to coordinate the development of several libraries leading to a reduction of software implementation and testing efforts without giving up the identity of the separate libraries. A first development along the lines of the mu... View full abstract»

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  • Hybrid systems as a substrate for DSSA

    Publication Year: 1994, Page(s):359 - 361
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (244 KB)

    DSSA entails severe modelling, simulation, and validation problems because of the diversity of interacting physical and logical systems which have to be represented. Development of software specifications and development of physical system specifications for what are often interacting reactive systems cannot be separated. Software writers and engineers wish this were not so, but it is. Neither can... View full abstract»

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  • The multivariable robust control system design based on transputer arrays

    Publication Year: 1994, Page(s):569 - 578
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (444 KB)

    The design of a hardware accelerator for supporting multivariable robust control system based on the singular value decomposition (SVD) is considered in this paper. The speedup of these complex CAD techniques can be utilized by performing online corrections of the system with respect to trial implementation on the transputer arrays. Some key algorithms are presented in this paper such as parallel ... View full abstract»

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  • The CASCIDA project: a computer-aided system control for interactive design and analysis

    Publication Year: 1994, Page(s):247 - 251
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (404 KB)

    Since 1985 at Setif University, Algeria, the author has initiated and worked on a project which was aimed at the development of a CACSD System. The results of the CASCIDA project (Computer Aided Systems Control for Interactive Design and Analysis) are briefly described. More importantly and over the years, this project laid down the basis for, and the nurturing of, a whole intellectual environment... View full abstract»

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  • A SIMULINK package for comparative studies of PID anti-windup strategies

    Publication Year: 1994, Page(s):447 - 452
    Cited by:  Papers (7)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (356 KB)

    The paper describes software developed in SIMULINK which enables the behaviour of feedback control systems with actuator saturation and PID controllers to be calculated. The software which is part command and part menu driven allows a choice of four PID controllers using different integral wind-up prevention strategies and transfer function entry of the actuator and plant dynamics View full abstract»

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  • Fuzzy logic-based PID autotuner design using simulated annealing

    Publication Year: 1994, Page(s):67 - 72
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (360 KB)

    A method to automatically design a fuzzy logic autotuner (FLA) for PID regulators is described. The autotuner evaluates a fuzzy logic rule base obtained by application of simulated annealing (SA) optimization procedures to a set of chosen initial controllers for a system. Both autotuner and the SA procedures optimize an objective function defined by a set of system performance criteria. The autotu... View full abstract»

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  • Analytical controller design strategy for remotely operated systems with long time delays

    Publication Year: 1994, Page(s):601 - 602
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (140 KB)

    This paper presents a new analytical controller design strategy for remotely operated systems, emphasizing on the stability of closed-loop control systems involving long time delays. A model-predictive control loop is constructed and implemented inside a digital controller to provide predictive state information, and an efficient model reduction method is applied to yield a reduced-order digital c... View full abstract»

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  • A report on the 1993 IFAC World Congress standards and guidelines session

    Publication Year: 1994, Page(s):377 - 380
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (340 KB)

    This brief note reviews five papers which were presented at the 1993 IFAC World Congress, on the theme `standards and guidelines for computer-aided control engineering (CACE)'. This session was organized as part of the CACE Software Standardization Initiative, a combined effort of the IFAC and IEEE Control System Society committees on standards. The motivation of this report is to note the substan... View full abstract»

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  • Time delay toolbox for MATLAB

    Publication Year: 1994, Page(s):505 - 511
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (448 KB)

    In this paper the time delay toolbox-a new tool for computer aided control engineering-is presented. The tool is a collection of MATLAB m-files supporting analysis and synthesis of control systems involving time-delays. The modelling strategy was to give exact representations, in both the time and operator domains. Systems which can be represented in the toolbox include linear retarded and neutral... View full abstract»

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  • Computer aided design of advanced control algorithms for nuclear reactor control

    Publication Year: 1994, Page(s):591 - 596
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (344 KB)

    This paper discusses the computer-aided design of advanced control algorithms for a nuclear PWR-reactor. The implementation of the simulation model and the integration of the control methods in a typical CADCS-package are considered. The control problem may well serve as a new benchmark problem for CADCS. To evaluate the control performance of the digital control algorithms a comparison is made be... View full abstract»

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  • High quality automatic code generation for control applications

    Publication Year: 1994, Page(s):363 - 367
    Cited by:  Papers (1)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (312 KB)

    Automatic code generation has become a popular technique for generating software for control applications. The popularity of the technique is justified by the convenience of programming in a domain-specific specification language, and the elimination of communication errors between the control-law designer and the software engineer. Unfortunately, in the rapid rush toward the marketing and adoptio... View full abstract»

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  • PARSIM: a parallel optimization tool

    Publication Year: 1994, Page(s):579 - 584
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (408 KB)

    Current computer aided control system design environments seldom support optimization methods for controller design in a truly interactive manner. A prototype tool, called PARSIM, supporting parallel processing, optimization and a graphical user interface is presented addressing many of the problems inherent in current approaches to multiobjective optimization based design methods. An XWindows int... View full abstract»

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  • A CAD system for nonlinear control system design using “Mathematica”

    Publication Year: 1994, Page(s):197 - 204
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (464 KB)

    Recently, nonlinear control theory based upon the differential geometric approach has proved their availability through the theoretical study and practical system applications. We propose a computer aided design system for nonlinear control systems by using mathematical software system “Mathematica”. The functions of this CAD system includes the feedback linearization techniques, nonli... View full abstract»

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